On Sun, Jan 23, 2022 at 05:54:05PM -0800, ira.weiny@xxxxxxxxx wrote:
> From: Ira Weiny <ira.weiny@xxxxxxxxx>
>
> kmap() is being deprecated and these instances are easy to convert to
> kmap_local_page().
>
> Furthermore, in gma_crtc_cursor_set() use the memcpy_from_page() helper
> instead of an open coded use of kmap_local_page().
>
> Signed-off-by: Ira Weiny <ira.weiny@xxxxxxxxx>
Applied to drm-misc-next, the others should all have full time maintainers
to make sure the patches land. Pls holler if not.
Thanks, Daniel
> ---
> drivers/gpu/drm/gma500/gma_display.c | 6 ++----
> drivers/gpu/drm/gma500/mmu.c | 8 ++++----
> 2 files changed, 6 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/gpu/drm/gma500/gma_display.c b/drivers/gpu/drm/gma500/gma_display.c
> index 99da3118131a..60ba7de59139 100644
> --- a/drivers/gpu/drm/gma500/gma_display.c
> +++ b/drivers/gpu/drm/gma500/gma_display.c
> @@ -335,7 +335,7 @@ int gma_crtc_cursor_set(struct drm_crtc *crtc,
> struct psb_gem_object *pobj;
> struct psb_gem_object *cursor_pobj = gma_crtc->cursor_pobj;
> struct drm_gem_object *obj;
> - void *tmp_dst, *tmp_src;
> + void *tmp_dst;
> int ret = 0, i, cursor_pages;
>
> /* If we didn't get a handle then turn the cursor off */
> @@ -400,9 +400,7 @@ int gma_crtc_cursor_set(struct drm_crtc *crtc,
> /* Copy the cursor to cursor mem */
> tmp_dst = dev_priv->vram_addr + cursor_pobj->offset;
> for (i = 0; i < cursor_pages; i++) {
> - tmp_src = kmap(pobj->pages[i]);
> - memcpy(tmp_dst, tmp_src, PAGE_SIZE);
> - kunmap(pobj->pages[i]);
> + memcpy_from_page(tmp_dst, pobj->pages[i], 0, PAGE_SIZE);
> tmp_dst += PAGE_SIZE;
> }
>
> diff --git a/drivers/gpu/drm/gma500/mmu.c b/drivers/gpu/drm/gma500/mmu.c
> index fe9ace2a7967..a70b01ccdf70 100644
> --- a/drivers/gpu/drm/gma500/mmu.c
> +++ b/drivers/gpu/drm/gma500/mmu.c
> @@ -184,17 +184,17 @@ struct psb_mmu_pd *psb_mmu_alloc_pd(struct psb_mmu_driver *driver,
> pd->invalid_pte = 0;
> }
>
> - v = kmap(pd->dummy_pt);
> + v = kmap_local_page(pd->dummy_pt);
> for (i = 0; i < (PAGE_SIZE / sizeof(uint32_t)); ++i)
> v[i] = pd->invalid_pte;
>
> - kunmap(pd->dummy_pt);
> + kunmap_local(v);
>
> - v = kmap(pd->p);
> + v = kmap_local_page(pd->p);
> for (i = 0; i < (PAGE_SIZE / sizeof(uint32_t)); ++i)
> v[i] = pd->invalid_pde;
>
> - kunmap(pd->p);
> + kunmap_local(v);
>
> clear_page(kmap(pd->dummy_page));
> kunmap(pd->dummy_page);
> --
> 2.31.1
>
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
